In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Cleaner
To dream that you are a cleaner means that you will have mishaps and your efforts will go to waste. If you are giving orders to or arguing with a cleaner you will have worries. If, however, you have a nice chat with a cleaner, you will be happy.